For the second thing:
Go to Extras->Optionen->Sicherheit->Turn on "Dies ist ein öffentlicher Computer, darum meine Registerkarten nicht anzeigen".
If you need an ad remover too, use the A-Patch:
http://dansmedia.com/fileupload/store/A-Patch.rar
btw: It's nice to see a german guy here
Edit: No, it's not... do you have MsgPlus! installed?